公开(公告)号：US20230123266A1

公开(公告)日：2023-04-20

申请号：US18145277

申请日：2022-12-22

Applicant: MEDTRONIC, INC.

Inventor： Brian CASTELLI ,  Ashley SPINK ,  William BERTHIAUME ,  William CHANG ,  Victoria UNG ,  James MITCHELL

IPC: A61M25/01 ,  A61M25/00 ,  A61M25/09

Abstract: A catheter includes a handle with torqueing and steering mechanisms. The torqueing mechanism includes a rotatable nosecone and a bearing coupled to the nosecone to be rotatable therewith. The bearing is concentrically disposed over a shaft of the catheter. The steering mechanism includes a rack coupled to the bearing to be slideable therewith and a pull wire having a proximal end attached to the bearing and a distal end attached to a distal portion of the shaft. Rotation of the nosecone causes an entire length of the shaft to rotate and axial movement of the rack tensions the pull wire to bend the distal portion of the shaft. A valve relief component is slidingly disposed over the shaft and is configured to dock onto the handle when not in use.

公开(公告)号：US20220409860A1

公开(公告)日：2022-12-29

申请号：US17897663

申请日：2022-08-29

Applicant: MEDTRONIC, INC.

Inventor： Brian CASTELLI ,  Ashley SPINK ,  William BERTHIAUME ,  William CHANG ,  Victoria UNG ,  James MITCHELL

IPC: A61M25/01 ,  A61M25/00 ,  A61M25/09

Abstract: A catheter includes a handle with torqueing and steering mechanisms. The torqueing mechanism includes a rotatable nosecone and a bearing coupled to the nosecone to be rotatable therewith. The bearing is concentrically disposed over a shaft of the catheter. The steering mechanism includes a rack coupled to the bearing to be slideable therewith and a pull wire having a proximal end attached to the bearing and a distal end attached to a distal portion of the shaft. Rotation of the nosecone causes an entire length of the shaft to rotate and axial movement of the rack tensions the pull wire to bend the distal portion of the shaft. A valve relief component is slidingly disposed over the shaft and is configured to dock onto the handle when not in use.

公开(公告)号：US20220054264A1

公开(公告)日：2022-02-24

申请号：US17406618

申请日：2021-08-19

Applicant: Medtronic, Inc.

Inventor： Alan T. MCGUINN ,  Alistair COURTNEY ,  Amy L. COMAR ,  William BERTHIAUME ,  Conleth MULLEN ,  David F. LYDON ,  Declan SILKE ,  Dmitry SHEREMETIEV ,  Eoghan TWOHIG ,  Gavin KENNY ,  James HANNON ,  James MITCHELL ,  Jonathan G. MCCULLOUGH ,  Kevin NEWELL ,  Leonila RIVERA ,  Marc A. ANDERSON ,  Martha BARAJAS-TORRES ,  Matthew NORGROVE ,  Michael R. O'CONNOR ,  Micheal FALLON ,  Niall DUFFY ,  Padraig IRWIN ,  Padraigh JENNINGS ,  Reiss CONNOLLY ,  Richard CAHILL ,  Shane M. MARTIN ,  Simon HOGAN ,  Victoria UNG ,  William CHANG ,  Tamas Jager

IPC: A61F2/24 ,  A61M25/10

Abstract: Balloon catheters for delivery of prosthetic hear valves is provided. The balloon catheters are configured to deploy a prosthetic heart valve through inflation. The balloon catheters are further configured with one or more retention bumpers to reduce or prevent migration of the prosthetic heart valve during delivery. Balloon catheters described herein are configured with substantially incompressible retention bumpers that promote longitudinal inflation fluid flow.